| details |
Late Westphalian B |
Late Westphalian C |
Netherlands |
de Laar,J.G.M. Van et al. On-Shore Carboniferous palynology of the Netherlands |
1989 |
| details |
Early Westphalian A |
|
England(Yorkshire) |
McLean,D. Miospore assemblages from the Gastrioceras listeri marine Band and associated Coal Measures Sheffield England. |
1990 |
| details |
Late Westphalian B |
Westphalian C |
Netherlands |
de Laar,J.G.M. Van et al. Westphalian palynology of the Netherlands based on six continuously cored boreholes. |
1990 |
| details |
Early Westphalian A |
|
North America |
McLean,D. Miospore assemblages from the Gastioceras listeri Marine Band and associated coal measures, Sheffield, England. |
1991 |
| details |
Late Arnsbergian |
Early Chokierian |
England(Northumberland) |
Turner,N. et al. Palynological evidence for Early Namurian age of the "Millstone Grit" and Upper Limestone Group around Longhoughton Steel, Northumberland. |
1992 |